Vic Johnson, the "Mountain Sports Dietician," specializes in fueling strategies for ultrarunners. In this insightful follow-up, he discusses post-run recovery, highlighting antioxidants and the strategic use of caffeine and bicarbonate during races. Vic also shares how to interpret sweat composition and sweat rate tests, which can refine individual hydration strategies. Experience from Chiang Mai showcases the blend of nutrition and adventure, while innovative hydration monitoring technologies promise to personalize athlete performance further.